Definitionn. a measuring instrument for measuring angles to a celestial body
Last update: October 11, 2015
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I take my Octant with me also, this I confide La Page. [Please select]
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2ed--A common Octant of 14 Inches radius, graduated to 20', which by means of the nonius was devisbile to 1', half of this sum, or 30" was perceptible by means of a micrometer." [Please select]
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